Cita APA (7th ed.)

Irwin, L. W., & Mayshark, C. (1968). Health education in secondary schools. C. V. Mosby.

Cita Chicago (17th ed.)

Irwin, Leslie William, i Cyrus Mayshark. Health Education in Secondary Schools. St. Louis: C. V. Mosby, 1968.

Cita MLA (9th ed.)

Irwin, Leslie William, i Cyrus Mayshark. Health Education in Secondary Schools. C. V. Mosby, 1968.